蒸汽灭菌循环中负载定位的影响实验和数值研究

Influence of the load positioning duringa steam sterilization cycle: An experimental and numerical studyName: Simon PletzerCo-authors: Marco Miranda, Marino Magnoand Christoph HochenauerAffiliation:Technical University of Graz (AUT)Contact: simon.pletzer@tugraz.atOverviewI.BackgroundII.MethodsØExperiments•Sterilizer•Cycle•LoadsØSimulations•Computational fluid dynamics (CFD)•Modeling of the sterilizerIII.ResultsØLoad temperaturesØFlow fieldØSteam distributionIV.Conclusionlower trayupper trayBackground§Cooperationbetween TU Graz and W&H Sterilization S.r.l. since almost 10 yearsØImprove the understanding of physical processes within a steam sterilizerØDecrease the water and energy consumptionØSupporting the development process of new sterilizers and new components (ejector, heaters, etc.)ØSimulations of bacteria killing rates on surfaces§Support thedevelopmentof a small chamber sterilizerØ5 liter (also 2.5 liter)ØExperiments and numerical simulations§Steam distribution§Heating process of